document.write("<li><a href=\"/admin/\">欢迎,{% raw username %}   ！&nbsp;</a></li>");
document.write("<li><a href=\"/post/add_document\">发布文档</a></li> ");
document.write("<li><a href=\"/publish/\">发布信息</a> </li>");
document.write("<li><a href=\"/user/logout\" >退出</a></li> ");
